*{
	margin:0;
	padding:0;

	-webkit-box-sizing:border-box;
	 -moz-box-sizing:border-box;
	 -ms-box-sizing:border-box;
	 -o-box-sizing:border-box;
	 box-sizing:border-box; 
}

.ui-overlay{
	position: fixed;
	top:0;
	left:0;
	width: 100%;
	height: 100%;
	background-color: #fff;	 

	display:-webkit-flex;
	display:flex;
	justify-content:center;
	align-items:center;
}

.ui-overlay > .ui-box{
	max-width: 540px;
}

.ui-overlay > .ui-box img{
	display: block;
	width: 100%;
}